<template>
    <div class="app-container">
        <el-row :gutter="20">
            <el-col :span="4" :xs="24">
                <div class="head-container">
                    <el-input
                        v-model="catalogName"
                        placeholder="请输入栏目名称"
                        clearable
                        size="small"
                        prefix-icon="el-icon-search"
                        style="margin-bottom: 20px"
                    />
                </div>
                <div class="head-container">
                    <el-tree
                        :data="catalogOptions"
                        :props="defaultProps"
                        :expand-on-click-node="false"
                        :filter-node-method="filterNode"
                        ref="tree"
                        default-expand-all
                        highlight-current
                        @node-click="handleNodeClick"
                    />
                </div>
            </el-col>

            <el-col :span="20" :xs="24">
                <el-form
                    :model="queryParams"
                    ref="queryForm"
                    size="small"
                    :inline="true"
                    v-show="showSearch"
                    label-width="68px"
                >
                    <el-form-item label="标题" prop="title">
                        <el-input
                            v-model="queryParams.title"
                            placeholder="请输入标题"
                            clearable
                            @keyup.enter.native="handleQuery"
                        />
                    </el-form-item>
                    <el-form-item label="是否显示" prop="visible">
                        <el-select
                            v-model="queryParams.visible"
                            placeholder="请选择是否显示"
                            clearable
                        >
                            <el-option
                                v-for="dict in dict.type.sys_yes_no"
                                :key="dict.value"
                                :label="dict.label"
                                :value="dict.value"
                            />
                        </el-select>
                    </el-form-item>
                    <el-form-item>
                        <el-button
                            type="primary"
                            icon="el-icon-search"
                            size="mini"
                            @click="handleQuery"
                            >查询</el-button
                        >
                        <el-button
                            icon="el-icon-refresh"
                            size="mini"
                            @click="resetQuery"
                            >重置</el-button
                        >
                    </el-form-item>
                </el-form>

                <TableCard>
                    <el-row :gutter="10" class="mb8">
                        <el-col :span="1.5">
                            <el-button
                                type="primary"
                                plain
                                icon="el-icon-plus"
                                size="mini"
                                @click="handleAdd"
                                v-hasPermi="['cms:content:add']"
                                >新增
                            </el-button>
                        </el-col>
                        <el-col :span="1.5">
                            <el-button
                                type="success"
                                plain
                                icon="el-icon-edit"
                                size="mini"
                                :disabled="single"
                                @click="handleUpdate"
                                v-hasPermi="['cms:content:edit']"
                                >修改
                            </el-button>
                        </el-col>
                        <el-col :span="1.5">
                            <el-button
                                type="danger"
                                plain
                                icon="el-icon-delete"
                                size="mini"
                                :disabled="multiple"
                                @click="handleDelete"
                                v-hasPermi="['cms:content:remove']"
                                >删除
                            </el-button>
                        </el-col>
                        <el-col :span="1.5">
                            <el-button
                                type="warning"
                                plain
                                icon="el-icon-download"
                                size="mini"
                                @click="handleExport"
                                v-hasPermi="['cms:content:export']"
                                >导出
                            </el-button>
                        </el-col>
                        <right-toolbar
                            :showSearch.sync="showSearch"
                            @queryTable="getList"
                        ></right-toolbar>
                    </el-row>

                    <el-table
                        :border="Global.tableShowBorder"
                        v-loading="loading"
                        :data="contentList"
                        @selection-change="handleSelectionChange"
                    >
                        <el-table-column
                            type="selection"
                            width="55"
                            align="center"
                        />
                        <el-table-column
                            label="封面"
                            align="center"
                            prop="cover"
                            width="200"
                        >
                            <template slot-scope="scope">
                                <image-preview
                                    v-if="scope.row.cover"
                                    :src="scope.row.cover"
                                    :width="50"
                                    :height="50"
                                />
                            </template>
                        </el-table-column>
                        <el-table-column
                            label="标题"
                            align="center"
                            prop="title"
                        />
                        <el-table-column
                            label="是否显示"
                            align="center"
                            prop="visible"
                            width="200"
                        >
                            <template slot-scope="scope">
                                <dict-tag
                                    :options="dict.type.sys_yes_no"
                                    :value="scope.row.visible"
                                />
                            </template>
                        </el-table-column>
                        <el-table-column
                            label="操作"
                            align="center"
                            class-name="small-padding fixed-width"
                        >
                            <template slot-scope="scope">
                                <el-button
                                    size="mini"
                                    type="text"
                                    icon="el-icon-edit"
                                    @click="handleUpdate(scope.row)"
                                    v-hasPermi="['cms:content:edit']"
                                    >修改
                                </el-button>
                                <el-button
                                    size="mini"
                                    type="text"
                                    icon="el-icon-delete"
                                    @click="handleDelete(scope.row)"
                                    v-hasPermi="['cms:content:remove']"
                                    >删除
                                </el-button>
                            </template>
                        </el-table-column>
                    </el-table>

                    <pagination
                        v-show="total > 0"
                        :total="total"
                        :page.sync="queryParams.pageNum"
                        :limit.sync="queryParams.pageSize"
                        @pagination="getList"
                    />
                </TableCard>
            </el-col>
        </el-row>

        <!-- 添加或修改内容管理对话框 -->
        <el-dialog
            :title="title"
            :visible.sync="open"
            width="1500px"
            append-to-body
        >
            <el-form
                ref="form"
                :model="form"
                :rules="rules"
                label-width="120px"
            >
                <el-form-item label="归属栏目" prop="catalogId">
                    <treeselect
                        v-model="form.catalogId"
                        :options="catalogOptions"
                        :show-count="true"
                        placeholder="请选择归属栏目"
                    />
                </el-form-item>
                <el-form-item label="标题" prop="title">
                    <el-input v-model="form.title" placeholder="请输入标题" />
                </el-form-item>
                <el-form-item label="封面">
                    <image-upload v-model="form.cover" />
                </el-form-item>
                <el-form-item label="内容">
                    <editor v-model="form.content" :min-height="500" />
                </el-form-item>
                <el-form-item label="是否显示">
                    <el-radio-group v-model="form.visible">
                        <el-radio
                            v-for="dict in dict.type.sys_yes_no"
                            :key="dict.value"
                            :label="dict.value"
                        >
                            {{ dict.label }}
                        </el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import {
    listContent,
    getContent,
    delContent,
    addContent,
    updateContent,
} from "@/api/cms/content";
import { treeselect } from "@/api/cms/catalog";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
export default {
    name: "Content",
    dicts: ["sys_yes_no"],
    components: { Treeselect },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 选中数组
            ids: [],
            // 非单个禁用
            single: true,
            // 非多个禁用
            multiple: true,
            // 显示查询条件
            showSearch: true,
            // 总条数
            total: 0,
            // 内容管理表格数据
            contentList: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 查询参数
            queryParams: {
                pageNum: 1,
                pageSize: 20,
                title: null,
                content: null,
                visible: null,
                cover: null,
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {},
            //栏目名称
            catalogName: "",

            // 栏目树选项
            catalogOptions: [],
            // 默认
            defaultProps: {
                children: "children",
                label: "label",
            },
        };
    },
    created() {
        this.getList();
        this.getTreeselect();
    },
    methods: {
        /** 查询内容管理列表 */
        getList() {
            this.loading = true;
            listContent(this.queryParams).then((response) => {
                this.contentList = response.rows;
                this.total = response.total;
                this.loading = false;
            });
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                id: null,
                title: null,
                content: null,
                createTime: null,
                updateTime: null,
                visible: "0",
                cover: null,
            };
            this.resetForm("form");
        },
        /** 查询按钮操作 */
        handleQuery() {
            this.queryParams.pageNum = 1;
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        // 多选框选中数据
        handleSelectionChange(selection) {
            this.ids = selection.map((item) => item.id);
            this.single = selection.length !== 1;
            this.multiple = !selection.length;
        },
        /** 新增按钮操作 */
        handleAdd() {
            this.reset();
            this.getTreeselect();
            this.open = true;
            this.title = "添加内容管理";
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            this.getTreeselect();
            const id = row.id || this.ids;
            getContent(id).then((response) => {
                this.form = response.data;
                this.open = true;
                this.title = "修改内容管理";
            });
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs["form"].validate((valid) => {
                if (valid) {
                    if (this.form.id != null) {
                        updateContent(this.form).then((response) => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addContent(this.form).then((response) => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            const ids = row.id || this.ids;
            this.$modal
                .confirm('是否确认删除内容管理编号为"' + ids + '"的数据项？')
                .then(function () {
                    return delContent(ids);
                })
                .then(() => {
                    this.getList();
                    this.$modal.msgSuccess("删除成功");
                })
                .catch(() => {});
        },
        /** 导出按钮操作 */
        handleExport() {
            this.download(
                "cms/content/export",
                {
                    ...this.queryParams,
                },
                `content_${new Date().getTime()}.xlsx`
            );
        },

        // 筛选节点
        filterNode(value, data) {
            if (!value) return true;
            return data.label.indexOf(value) !== -1;
        },
        // 节点单击事件
        handleNodeClick(data) {
            this.queryParams.catalogId = data.id;
            this.handleQuery();
        },
        getTreeselect() {
            treeselect().then((response) => {
                this.catalogOptions = response.data;
            });
        },
    },
};
</script>
